A great exhaust system begins at the flange. Dynatech Header Flanges port matched flanges are CNC-machined for unparalleled fit and quality. These flanges are of the highest quality and are the best way to assure your exhaust performs the best. Sold 1/pkg.

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BrianSells from
Size isn’t accurateIn ordered 2 1/4 flanges and they measure 2.355.... that’s nearly an 1/8” bigger than they should be.